1. Department of Sports Science and Clinical Biomechanics; SDU Muscle Research Cluster (SMRC); University of Southern Denmark; DK-5230 Odense M Denmark
2. Department of Pathology; SDU Muscle Research Cluster (SMRC); Odense University Hospital; DK-5000 Odense C Denmark
3. Department of Physiology and Pharmacology; Karolinska Institutet; SE-171 77 Stockholm Sweden
4. Swedish Winter Sports Research Centre; Department of Health Sciences; Mid Sweden University; Östersund Sweden